different box sprites & color inversion! (-;

src/actor/Box.gd

@@ -7,6 +7,7 @@ var is_push = false
 onready var node_audio : AudioStreamPlayer2D = $AudioHit
 onready var node_anim : AnimationPlayer = $AnimationPlayer
 onready var node_sprite : Sprite = $Sprite
+onready var sprite_mat : ShaderMaterial = node_sprite.material
 var spr_pos := Vector2.ZERO
 
 var push_clock := 0.0
@@ -17,8 +18,13 @@ var shake_dist = 0
 
 var scene_slam = preload("res://src/fx/Slam.tscn")
 
+var images = [1, 4, 5, 6, 7]
+export var is_refresh_frame := 0 setget pick_frame
+
 func _ready():
-	if Engine.editor_hint or Shared.is_level_select: return
+	if Engine.editor_hint: return
+	pick_frame()
+	if Shared.is_level_select: return
 	
 	spr_pos = node_sprite.position
 	
@@ -63,3 +69,10 @@ func push(dir : int):
 			a.push(dir)
 		move_x(dir)
 		push_dir = dir
+
+func pick_frame(arg = null):
+	#randomize()
+	node_sprite.frame = images[randi() % images.size()]
+	node_sprite.flip_h = randf() > 0.5
+	sprite_mat.set_shader_param("flip", float(randf() > 0.5))
+	

src/actor/Box.tscn

@@ -6,11 +6,13 @@
 [ext_resource path="res://src/shader/palette_swap_2.gdshader" type="Shader" id=4]
 
 [sub_resource type="ShaderMaterial" id=2]
+resource_local_to_scene = true
 shader = ExtResource( 4 )
 shader_param/c0 = Color( 1, 1, 1, 1 )
-shader_param/s0 = Color( 0.670588, 0.321569, 0.211765, 1 )
+shader_param/s0 = Color( 0.8, 0.188235, 0, 1 )
 shader_param/c1 = Color( 0, 0, 0, 1 )
-shader_param/s1 = Color( 1, 0.639216, 0, 1 )
+shader_param/s1 = Color( 1, 0.768627, 0, 1 )
+shader_param/flip = 0.0
 
 [sub_resource type="Animation" id=1]
 resource_name = "hit"
@@ -57,7 +59,7 @@ position = Vector2( 4, 4 )
 texture = ExtResource( 1 )
 hframes = 4
 vframes = 4
-frame = 1
+frame = 6
 
 [node name="AudioHit" type="AudioStreamPlayer2D" parent="."]
 stream = ExtResource( 2 )

src/menu/AttractMode.gd

@@ -38,6 +38,7 @@ func set_button_box():
 	box[3].position = Vector2(64, -16)
 	box[3].speed = Vector2.ZERO
 	box[3].remainder = Vector2.ZERO
+	box[3].pick_frame()
 
 func set_box_stack():
 	box[0].position = Vector2(160, -16)
@@ -47,6 +48,7 @@ func set_box_stack():
 	for i in 3: # 0, 1, 2
 		box[i].speed = Vector2.ZERO
 		box[i].remainder = Vector2.ZERO
+		box[i].pick_frame()
 
 func btnx(arg : int):
 	p.btnx = arg

src/shader/palette_swap_2.gdshader

@@ -4,15 +4,16 @@ uniform vec4 c0 : hint_color = vec4(0.0);
 uniform vec4 s0 : hint_color = vec4(0.0);
 uniform vec4 c1 : hint_color = vec4(0.0);
 uniform vec4 s1 : hint_color = vec4(0.0);
+uniform float flip : hint_range(0.0, 1.0) = 0.0;
 
 void fragment(){
 	vec4 col = texture(TEXTURE, UV);
 	
 	if (col == c0){
-		col = s0;
+		col = mix(s0, s1, flip);
 	}
 	else if (col == c1){
-		col = s1;
+		col = mix(s1, s0, flip);
 	}
 	
 	COLOR = col;